189898380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5197}}^1$

素因数の和:5248

約数の個数: 144

約数和(自身を含む): 681145920

約数和(自身を除く): 491247540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5197, 5220, 6090, 7308, 9135, 10394, 12180, 15591, 18270, 20788, 25985, 31182, 36379, 36540, 46773, 51970, 62364, 72758, 77955, 93546, 103940, 109137, 145516, 150713, 155910, 181895, 187092, 218274, 233865, 301426, 311820, 327411, 363790, 436548, 452139, 467730, 545685, 602852, 654822, 727580, 753565, 904278, 935460, 1054991, 1091370, 1309644, 1356417, 1507130, 1637055, 1808556, 2109982, 2182740, 2260695, 2712834, 3014260, 3164973, 3274110, 4219964, 4521390, 5274955, 5425668, 6329946, 6548220, 6782085, 9042780, 9494919, 10549910, 12659892, 13564170, 15824865, 18989838, 21099820, 27128340, 31649730, 37979676, 47474595, 63299460, 94949190, 189898380]

約数ペア:

[(1, 189898380), (2, 94949190), (3, 63299460), (4, 47474595), (5, 37979676), (6, 31649730), (7, 27128340), (9, 21099820), (10, 18989838), (12, 15824865), (14, 13564170), (15, 12659892), (18, 10549910), (20, 9494919), (21, 9042780), (28, 6782085), (29, 6548220), (30, 6329946), (35, 5425668), (36, 5274955), (42, 4521390), (45, 4219964), (58, 3274110), (60, 3164973), (63, 3014260), (70, 2712834), (84, 2260695), (87, 2182740), (90, 2109982), (105, 1808556), (116, 1637055), (126, 1507130), (140, 1356417), (145, 1309644), (174, 1091370), (180, 1054991), (203, 935460), (210, 904278), (252, 753565), (261, 727580), (290, 654822), (315, 602852), (348, 545685), (406, 467730), (420, 452139), (435, 436548), (522, 363790), (580, 327411), (609, 311820), (630, 301426), (812, 233865), (870, 218274), (1015, 187092), (1044, 181895), (1218, 155910), (1260, 150713), (1305, 145516), (1740, 109137), (1827, 103940), (2030, 93546), (2436, 77955), (2610, 72758), (3045, 62364), (3654, 51970), (4060, 46773), (5197, 36540), (5220, 36379), (6090, 31182), (7308, 25985), (9135, 20788), (10394, 18270), (12180, 15591)]